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<title>Documento sin título</title>
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<p>
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function AgregarFila() {
	var fila = '';
	fila = '<tr><td>5</td><td>5</td><td>5</td><td>5</td><td>5</td></tr>';
	$("#mitabla").append(fila);
}
$(function() {
	$("#borrar").click(function() {
		$("#mitabla tr").remove();
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	$("#agregar").click(function() {
		AgregarFila();
	});
	$("#quitar").click(function() {
		$("#mitabla tr:last").remove();
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<a href="#" id="agregar">Agregar Fila</a></p>
&nbsp;<a href="#" id="quitar">Quitar Fila</a></p>
&nbsp;<a href="#" id="borrar">Borrar Tabla</a></p>
<p>&nbsp; </p>
<table width="200" border="1" id="mitabla">
  <tr>
    <td>aaa</td>
    <td>abvb</td>
    <td>bbb</td>
    <td>bbb</td>
    <td>bbb</td>
  </tr>
  <tr>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
    <td>&nbsp;</td>
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